* 6.4L Power Stroke V8 Turbo Diesel: This was the most powerful engine option, producing 350 horsepower and 650 lb-ft of torque.
* 5.4L Triton V8: This gasoline engine produced 300 horsepower and 365 lb-ft of torque.
* 6.8L Triton V10: This gasoline engine produced 362 horsepower and 457 lb-ft of torque.
It's important to note that the specific engine for a 2008 Ford F-350 Super Duty will depend on the individual truck's trim level, configuration, and the original owner's choice. If you have a specific truck in mind, you can check the vehicle identification number (VIN) to find out exactly which engine it has.